The importance of keeping pollutants from entering out street drains is something each San Francisco resident and business should be aware of as they go through their day. According to the State Water Resource Control Board, urban storm water runoff is the leading cause of water pollution in California.
To increase public awareness and promote reporting of illegal dumping, we have installed No Dumping: Only Rain Down the Drain decals throughout the City.
Only Rain Down the Drain!
Don't dump waste in or around storm drains -- report any illegal dumping or potential storm water pollutants to 3-1-1.
Pet Waste
Lawn and Garden Care
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Minimize the use of fertilizers, pesticides and insecticides in your lawn and garden and follow all instructions - never buy more than you need
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Do not apply lawn or garden products when rain is forecast
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Don't overwater - consider using a soaker hose instead of a sprinkler
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Minimize soil erosion on your property - plant vegetation on bare areas
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Cover piles of dirt or mulch being used in landscaping projects
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Compost or mulch yard waste - don't sweep it onto the street or into storm drains
Car Care
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Inspect your car for leaks and regularly maintain your vehicle
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Take your car to a car wash instead of washing it in the driveway - if you do wash your own car, do it on a grassy area if possible and don't use harsh cleaners
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Drive less - to minimize the accumulation of break dust and vehicle emission particulates on the ground
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Recycle used motor oil, antifreeze and other fluid
Household Hazardous Waste
General Clean Up
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Sweep sidewalks and driveways clean - don't hose them down. Let your neighbors and local retailers know that they should do the same.
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Note that litter and debris that accumulates on your sidewalk can legally be swept into the street, but only in the hour prior to scheduled street sweeping.
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Never sweep anything into a street drain
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Don't use water to hose spills into the gutter - use kitty litter to clean up
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